Disc mower
48
GMD33N
Maintenance and storage
Gearbox
From the transport position:
- Lower the tractor three-point linkage to rest the
machine on the ground.
- Place a container of sufficient capacity under drain
plug.
- Remove filler/level plug (1) and its seal.
- Remove drain plug (2) and its washer.
- Allow oil to drain completely.
- Wait for dripping to stop.
- Clean and reinstall drain plug (2) and its
washer. Replace if necessary.
- Pour the correct oil quantity and quality through the
opening of the filler plug (1).
Check angle gearbox oil level:
• The oil must reach the lower edge of the filling hole.
- Clean and reinstall drain plug (2) and its washer.
Replace if necessary.
- Clean and reinstall filler plug (1) and its washer.
Replace if necessary.
Before draining oil, operate the machine for a
few minutes so that the oil warms up.
The angle gearbox is lubricated with 0.20 L (0.42 US pints) of extreme-pressure oil for mechanical
transmissions with viscosity grade SAE 80W90 and API grade GL5.
When draining and refilling, it is recommended to use either a mineral base oil with viscosity grade SAE
80W90 and API grade GL5, or a synthetic base oil, type PAO (Poly-Alpha-Olefins) with a viscosity grade
equivalent to SAE 80W90.
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